Drafting-machine.



F. W. GROBY.

DRAFTING MACHINE. irrucn'non mm MAR. n. 1908.

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HUN T ELEVA TION WITNESSES: i I JNVENTOR jfi WM 63 Altomey Patented June6, 1916.

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INVENTOR THE COLUMBIA PLANOGRAFH c0-, WASHINGTON, D

FREDERICK W. GEOBY, OF NEW YORK, N. Y.

DRAFTING-MACHINE.

Specification of Letters Patent.

Patented June 6, 1916.

Application filed March 17, 1908, Serial No. 421,743.

To all whom it may concern Be it known that I, Fnnnnmon IV. GRonY, acitizen of the United States, residing at New York, in the county of NewYork and State of New York, have invented certain new and usefulImprovements in Drafting- Machines, of which the following is aspecification.

The principal object of my said invention is to provide a machinecapable of being manipulated to draw lines at any angle desired and oneby which the length, angle and position of the lines and their distanceapart may be accurately determined without the aid of other instruments,and further to adapt said invention for use in connection with mechanismby which notations of desired information may be made adj acent to thelines during the progress of the work, all as will be hereinafter morefully described and claimed.

Referring to the accompanying drawings which are made a part hereof andon which similar reference characters indicate similar parts, Figure 1is a top or plan view of a machine embodying my said invention,

Fig. 2 a side elevation of the same, and Figs. 3, 4, 5 and 6 detailviews illustrating features of construction on an enlarged scale.

In said drawings the portions marked A represent the bed upon which themachine is mounted, B the base of the frame on which the movable markingmachine is supported, and C the base of the frame of said movablemachine.

In the drawings I have illustrated my invention in connection withabooktypewriter of ordinary construction, which construction, as well asits operation, is, in the main, so far as its ordinary functions areconcerned, substantially of the well-known character, and needs nospecial description herein.

The base A may be any suitable table or base on which the work is to bedone, a flat platen being mounted thereon for holding said work. Saidbase is provided with a standard A near its rear edge in the top ofwhich is formed a central bearing for the pivot a of a top or headportion A which is thus pivotally mounted thereon, being held fromrotation by a set-screw a, or other suitable locking means. Saidstandard is preferably mounted so as to be adjusted transversely acrosssaid base by means of a screw-rod B mounted in bearings on said base andengaging with a screw-threaded perforation in a shank b on the bottom ofsaid standard which eX- tends into atransverse slot in said base. Ahand-wheel b is provided on said screw-rod itor1 olperating it. Thestandard may be oc rec secure in an osition b clam in bolts 6 y y p y Pb The frame B is of rectangular form and of a size and material suitablefor the purpose, provided with uprights B at each corner, the tops ofwhich are connected by a spider-like frame B one bar of which extendsfrom the top of each standard to a central hub B having an upwardlyprojecting pintle 79 Said hub B is pivoted to the inner end of ahorizontal arm 13*, as shown most plainly in Fig. 6. The outer end ofsaid arm B is rigidly mounted in the top of the pivoted head A A springlatch Z) is mounted on-the side of said hub B and is adapted to engagewith any one of a series of notches 6 formed around the periphery of adownwardly projecting cylindrical part on the inner end of arm 13* inpositions to mark degrees of a circle. By means of said latch Z) theframe B may be held at any angle in relation to said arm 13*. Mounted toextend longitudinally of the frame B are toothed rack-bars Bconstituting tracks on which the machine proper may run, being of theusual or any preferred arrangement.

The machine frame C may be the frame of any book-typewriter or a frameespe-' cially designed for the purpose, being shown only to illustratethe use of my said invention. Itis mounted to travel on the tracks Bbeing actuated by the usual, or any preferred, mechanism. On said frameC are mounted the adding devices C and the carriage 0, adapted to travelon the ways 20 provided therefor, transversely to the travel of theframe C on the tracks B Said carriage C carries the usual typewritingmechanism and the operating mechanisms therefor, all of which are or maybe of any wellknown or approved construction and need no specialdescription herein. On said carriage C I have mounted a marker cwhichmay be a pencil, pen, perforating wheel or any 7 other marking implementdesired, adapted to be adjusted into or out of contact with the surfaceof the work. In Figs. 3 and 4 I have illustrated said marker as mountedin a socket 1 mounted on a bar 2 which bar is pivoted to a piece 0 onthe lower part of the carriage G and at its outer end is hinged to anupright rod 3 which is pivoted at its outer end to a horizontal bar a.pivoted at an intermediate point in the top of a standard 0 of anotherpart of said carriage C, the other end of said bar t being pivoted to akey 5, which is preferably located in the keyboard of the typewriter. InFig. 3 the normal position of the marker is shown, being held up out ofcontact with the work by means of a weight 6. In Fig. f the marker isshown in position for narking upon the surface of the work, the key 5being forced down, which operates through the connecting parts to changethe position, as shown. In Fig. 5 I have shown the socket 1 as mountedin a fixed position on the end of a part 7 of the frame. A set-screw 9in the side of said socket enables said marker to be adjusted up anddown into and out of contact with the work.

It will be understood, of course, that the manner of mounting or theparticular location of the marker is immaterial to the ob ject of mysaid invention, and that said marker may be mounted in any suitablemanner and operated into and out of con tact with the work by anysuitable mechanism. It being mounted upon the carriage C which slidestransversely of the frame C and said frame being adapted to travellongitudinally upon the tracks B, it will be seen that said marker canbe made to draw lines back and forth across the work and also that assaid frame C is capable of being moved in one direction across the workregular spaces or distances by the feeding mechanism forming part of theordinary typewriter construction, the lines may be made at any distanceapart desired. Stops c are provided for insertion in a series of holesin a bar 21 of the frame C alongside of the way for carriage C, and areadapted to be inserted in the appropriate hole to limit the movement ofsaid carriage at any points desired. A scale C is mounted to extend fromside to side of the machine and an indicator on the end of an arm. 8 iscarried on a part of the frame adjacent to said scale, so that anydistance desired may be readily determined upon the work. The carriage Cis connected by flexible connections 0 and 0 with spring controlledspools or power-barrels C and for sliding said carriage in one directionon the frame step by step, as the feeding mechanism is operated, in thesame manner as in an ordinary book-typewriter construction.

It will thus be seen, that, by releasing the feed mechanism whichcontrols the sliding of carriage C in one direction upon the frame 0,the carriage will be drawn automatically across the ways on the top offrame C and that the marker carried on said carriage will describeaccurate lines and can be controlled by the stops and indicatingmechanism so that the lines drawn will be in the exact location desiredand of the proper length. After feeding said frame by the feed mechanismto the limit desired in one direction across the work it may be manuallyreturned on the track in the same man nor as in the common typewriterconstruction. By releasing the spring catch 5 the frame B carrying themachine can be turned so that the carriage C may be caused to travel atany angle desired across the work IV, and thus draw lines at any angleto a given line. By the use of the typewriter any numerals, charactersor wording de sired alongside the lines can be readily applied and bythe use of the adding machine attachment various computations can bereadily made upon the work, such as tabulating, billing and work of alike character, in which work all of the ruling necessary can be rapidlyand quickly done by the marking device, as will be readily understood.By means of the screw-rod B the standard A carrying the entire apparatusmay be moved transversely of the bed or table A, and the machine thusenabled to do work of any length desired without requiring a carriage ofundue length. By loosening set-screw a the entire frame B, carrying allthe mechanism, may be swung around on the arm B to one side of platen Pto be out of the way when it is desired to adjust the work in theplaten, or have access to said work for any purpose.

It will be understood, of course, that-the details of construction andarrangement may be varied as found desirable, the typewriting andcomputing mechanism used or not according to the requirements of thework, and other modifications made without departing from my inventionas defined in the claims.

Having thus fully described my said invention, what I claim as new anddesire to secure by Letters Patent, is,

1. In an apparatus for drawing lines, the combination of a worksupporting table, a support on said table, a frame provided with tracksand pivotally mounted on said support above said table, a frame mountedto travel on said tracks, a carriage mounted to reciprocate on saidframe at right-angles to its movement on said tracks, and a markeradapted to slide on the surface of the work mounted on said carriage,substantially as set forth.

2. In an apparatus for drawing lines, the combination, of a table, asupport on said table, a frame mounted on said support on a verticalpivot above the table. a track carried by said frame, a reciprocableframe on said track, a carriage on said reciprocable frame, and a markermounted on said carriage, substantially as set forth.

In an apparatus for drawing lines, the combination, of a table, asupport on said table, a frame mounted on said support to pivothorizontally above said table and provided with tracks, another framemounted to run on said tracks longitudinally of said first named pivotedframe, a carriage mounted to traverse across said last named frame, anda marker mounted on said carriage, substantially as set forth.

a. A drafting apparatus comprising a table, a support on said table, aframe mounted on said support above the table on a. vertical pivot, asecond frame adapted to move longitudinally on said pivoted frame, acarriage mounted to move transversely on said second frame, a marker onsaid carriage for drawing lines, and writing mechanism also mounted onsaid carriage, whereby'information may be inscribed alongside of thelines made by the marker, substantially as set forth.

5. A drafting apparatus comprising a table for supporting the work, asupport on said table, a frame pivoted on said support on a verticalpivot above the table and movable lengthwise of the table, atransversely movable carriage on said frame, a marker on said carriageadapted to slide on the surface of the work for drawing lines, andtypewriting mechanism also on said carriage for inscrib'ing informationalongside said lines, substantially as set forth.

6. In a drafting apparatus, the combination, of a table, a supportmounted on copies of this patent may be obtained for five cents each, byaddressing the said table to be adjusted transversely thereof, a framecarried by said support above the work, and a machine mounted to movelongitudinally on said frame comprising a transversely movable carriagecarrying a marker adapted to slide on the surface of the work fordrawing lines, substantially as set forth.

7. In a drafting apparatus, the combination of a support, a framepivoted on a ver tical pivot on said support, a carriage, means formounting said carriage'on said frame to move longitudinally andtransversely of said frame, and a marker on said carriage for drawinglines, substantially as set forth.

8. A drafting apparatus comprising a table, a support on said table, aframe pivoted on a vertical pivot on said support and above the table, amarker, writing mecha nism, and means on said frame for mounting themarker and mechanism to slide longitudinally and transversely of saidframe, substantially as set forth.

9. In an apparatus for drawing lines, the combination of drafting andtypewriting mechanisms, a support, and means for pivotally mounting saidmechanisms on a vertical pivot on said support, substantially as setforth.

In witness whereof, I have hereunto set my hand and seal at Washington,D. 0., this 16th day of March, A. D. nineteen hundred and eight.

FREDERICK W. GROBY. [L.s.]

W'itnesses:

E. WV. BRADFORD, E. H. PARKINS.

Commissioner of Patents.

Washington, D. 0."

